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99 lines
2.8 KiB
Python
99 lines
2.8 KiB
Python
#!/usr/bin/env python2
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#
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# Script to build and install packages into the Steam runtime
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# Patched version of https://github.com/ValveSoftware/steam-runtime/blob/master/build-runtime.py
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import os
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import re
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import sys
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import subprocess
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import argparse
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import json
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# The top level directory
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top = sys.path[0]
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def parse_args():
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parser = argparse.ArgumentParser()
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parser.add_argument("-r", "--runtime", help="specify runtime path", default=os.path.join(top,"runtime"))
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parser.add_argument("-i", "--input", help="packages JSON", required=True)
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return parser.parse_args()
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def install_deb (basename, deb, dest_dir):
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installtag_dir=os.path.join(dest_dir, "installed")
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if not os.access(installtag_dir, os.W_OK):
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os.makedirs(installtag_dir)
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#
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# Unpack the package into the dest_dir
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#
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os.chdir(top)
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subprocess.check_call(['dpkg-deb', '-x', deb, dest_dir])
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#
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# Walks through the files in the runtime directory and converts any absolute symlinks
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# to their relative equivalent
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#
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def fix_symlinks ():
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for dir, subdirs, files in os.walk(args.runtime):
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for name in files:
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filepath=os.path.join(dir,name)
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if os.path.islink(filepath):
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target = os.readlink(filepath)
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if os.path.isabs(target):
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#
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# compute the target of the symlink based on the 'root' of the architecture's runtime
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#
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target2 = os.path.join(args.runtime,target[1:])
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#
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# Set the new relative target path
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#
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os.unlink(filepath)
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os.symlink(os.path.relpath(target2,dir), filepath)
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#
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# Creates the usr/lib/debug/.build-id/xx/xxxxxxxxx.debug symlink tree for all the debug
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# symbols
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#
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def fix_debuglinks ():
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for dir, subdirs, files in os.walk(os.path.join(args.runtime,"usr/lib/debug")):
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if ".build-id" in subdirs:
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subdirs.remove(".build-id") # don't recurse into .build-id directory we are creating
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for file in files:
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#
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# scrape the output of readelf to find the buildid for this binary
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#
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p = subprocess.Popen(["readelf", '-n', os.path.join(dir,file)], stdout=subprocess.PIPE)
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for line in iter(p.stdout.readline, ""):
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m = re.search('Build ID: (\w{2})(\w+)',line)
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if m:
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linkdir = os.path.join(args.runtime,"usr/lib/debug/.build-id",m.group(1))
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if not os.access(linkdir, os.W_OK):
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os.makedirs(linkdir)
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link = os.path.join(linkdir,m.group(2))
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print "SYMLINKING symbol file %s to %s" % (link, os.path.relpath(os.path.join(dir,file),linkdir))
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if os.path.lexists(link):
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os.unlink(link)
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os.symlink(os.path.relpath(os.path.join(dir,file), linkdir),link)
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args = parse_args()
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print ("Creating Steam Runtime in %s" % args.runtime)
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with open(args.input) as pkgfile:
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pkgs = json.load(pkgfile)
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for pkg in pkgs:
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install_deb(pkg["name"], pkg["source"], args.runtime)
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fix_debuglinks()
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fix_symlinks()
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# vi: set noexpandtab:
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